Patents by Inventor David Morgenstern

David Morgenstern has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20040143134
    Abstract: This invention is directed to an improved process for the preparation of N-(phosphonomethyl)glycine (i.e., “glyphosate”), a salt of N-(phosphonomethyl)glycine, or an ester of N-(phosphonomethyl)glycine. The process comprises combining an N-substituted N-(phosphonomethyl)glycine reactant with oxygen in the presence of a noble metal catalyst.
    Type: Application
    Filed: May 20, 2003
    Publication date: July 22, 2004
    Applicant: Monsanto Technology LLC
    Inventor: David A. Morgenstern
  • Publication number: 20040137288
    Abstract: This invention is directed to a process for reforming an alcohol. The process comprises contacting an alcohol with a reforming catalyst comprising copper at the surface of a metal supporting structure, preferably a metal sponge supporting structure comprising nickel. In a certain preferred embodiment, hydrogen produced by the reforming process is used as a fuel source for a hydrogen fuel cell to generate electric power, particularly for driving a vehicle.
    Type: Application
    Filed: October 16, 2003
    Publication date: July 15, 2004
    Applicant: Monsanto Technology LLC
    Inventor: David A. Morgenstern
  • Patent number: 6706662
    Abstract: This invention is directed to a process for dehydrogenating primary alcohols to make salts of carboxylic acids. The process comprises contacting a catalyst, preferably a metal support coated with copper or silver, with an alkaline mixture comprising a primary alcohol. The invention further provides for novel copper-containing and silver-containing catalysts which may be used, for example, in the above process as well as processes for making such catalysts.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: March 16, 2004
    Assignee: Monsanto Technology LLC
    Inventors: David A. Morgenstern, Juan P. Arhancet, Howard C. Berk, William L. Moench, Jr., James C. Peterson
  • Publication number: 20030176735
    Abstract: This invention is directed to a process for making an iminodiacetic acid compound from a monoethanolamine substrate having the formula: 1
    Type: Application
    Filed: February 3, 2003
    Publication date: September 18, 2003
    Applicant: Monsanto Technology LLC
    Inventors: Howard C. Berk, Thaddeus S. Franczyk, Robert B. Weisenfeld, David A. Morgenstern, Juan P. Arhancet, William L. Moench, James C. Peterson
  • Publication number: 20030088122
    Abstract: Novel compounds, N,N′-bis(phosphonomethyl)-N,N′-bis(hydroxycarbonylmethyl)urea and N,N,N′,N′-tetrakis(hydroxycarbonylmethyl)urea, suitable for use in preparing N-acyl aminocarboxylic acids that can be readily converted to N-(phosphonomethyl)glycine are provided. The compounds may be formed by the reaction of bis-(phosophonomethyl)urea or urea respectively with carbon monoxide and formaldehyde in the presence of a carboxymethylation catalyst precursor and solvent.
    Type: Application
    Filed: May 20, 2002
    Publication date: May 8, 2003
    Inventors: Todd J. Johnson, Michael K. Stern, David A. Morgenstern, Michael D. Rogers, Yvette M. Fobian, Jeffrey A. Levine
  • Patent number: 6555706
    Abstract: This invention is directed to a process for making an iminodiacetic acid compound from a monoethanolamine substrate having the formula: wherein R1 is hydrogen, hydrocarbyl, or substituted hydrocarbyl. The process includes a series of reactions comprising a cyanomethylation, a hydrolysis and a dehydrogenation with the hydrolysis and dehydrogenation steps being carried out either sequentially or concurrently. In a particular embodiment, the iminodiacetic acid produced is disodium iminodiacetic acid and the monoethanolamine substrate used is 2-aminoethanol.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: April 29, 2003
    Assignee: Monsanto Company
    Inventors: Howard C. Berk, Thaddeus S. Franczyk, II, Robert B. Weisenfeld, David A. Morgenstern, Juan P. Arhancet, William L. Moench, James C. Peterson
  • Publication number: 20020161259
    Abstract: This invention is directed to a process for dehydrogenating primary alcohols to make salts of carboxylic acids. The process comprises contacting a catalyst, preferably a metal support coated with copper or silver, with an alkaline mixture comprising a primary alcohol. The invention further provides for novel copper-containing and silver-containing catalysts which may be used, for example, in the above process as well as processes for making such catalysts.
    Type: Application
    Filed: February 28, 2002
    Publication date: October 31, 2002
    Applicant: Monsanto Company
    Inventors: David A. Morgenstern, Juan P. Arhancet, Howard C. Berk, William L. Moench, James C. Peterson
  • Patent number: 6376708
    Abstract: This invention is directed to a process for making a salt of a carboxylic acid. The process comprises contacting a catalyst with an alkaline mixture comprising a primary alcohol. In one embodiment, for example, the catalyst comprises a metal support (preferably a metal sponge support) coated with copper. The support comprises at least about 10% (by weight) non-copper metal, and the copper-containing coating comprises from about 0.005 to about 0.5 grams of copper (per gram of said metal support). In another embodiment, the catalyst comprises a metal support (preferably a metal sponge support) coated with silver. The support comprises at least about 10% (by weight) non-silver metal, and the silver-containing coating comprises from about 0.005 to about 0.5 grams of copper (per gram of said metal support). In another embodiment, the catalyst comprises at least about 15% (by weight) non-copper metal, and at least about 10% (by weight) copper.
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: April 23, 2002
    Assignee: Monsanto Technology LLC
    Inventors: David A. Morgenstern, Juan P. Arhancet, Howard C. Berk, William L. Moench, Jr., James C. Peterson
  • Publication number: 20020019564
    Abstract: This invention is directed to a process for making a salt of a carboxylic acid. The process comprises contacting a catalyst with an alkaline mixture comprising a primary alcohol.
    Type: Application
    Filed: April 11, 2001
    Publication date: February 14, 2002
    Applicant: Monsanto Company
    Inventors: David A. Morgenstern, Juan P. Arhancet, Howard C. Berk, William L. Moench, James C. Peterson
  • Publication number: 20020019565
    Abstract: This invention is directed to a process for making an iminodiacetic acid compound from a monoethanolamine compound having the following formula: 1
    Type: Application
    Filed: May 15, 2001
    Publication date: February 14, 2002
    Inventors: Howard C. Berk, Thaddeus S. Franczyk, Robert B. Weisenfeld, David A. Morgenstern, Juan P. Arhancet, William L. Moench, James C. Peterson
  • Publication number: 20020002281
    Abstract: Novel compounds, N,N′-bis(phosphonomethyl)-N,N′-bis(hydroxycarbonylmethyl)urea and N,N,N′,N′-tetrakis(hydroxycarbonylmethyl)urea, suitable for use in preparing N-acyl aminocarboxylic acids that can be readily converted to N-(phosphonomethyl)glycine are provided. The compounds may be formed by the reaction of bis-(phosophonomethyl)urea or urea respectively with carbon monoxide and formaldehyde in the presence of a carboxymethylation catalyst precursor and solvent.
    Type: Application
    Filed: June 1, 2001
    Publication date: January 3, 2002
    Inventors: Todd J. Johnson, Michael K. Stern, David A. Morgenstern, Michael D. Rogers, Yvette M. Fobian, Jeffrey A. Levine
  • Publication number: 20010018536
    Abstract: This invention is directed to an improved process for the preparation of N-(phosphonomethyl)glycine (i.e., “glyphosate”), a salt of N-(phosphonomethyl)glycine, or an ester of N-(phosphonomethyl)glycine. The process comprises combining an N-substituted N-(phosphonomethyl)glycine reactant with oxygen in the presence of a noble metal catalyst.
    Type: Application
    Filed: February 5, 2001
    Publication date: August 30, 2001
    Inventors: David A. Morgenstern, David E. McKenzie, Robert Orth, David Oburn, Cindy Ludwig, Kam-To Wan, John M. Dzenitis
  • Patent number: 6265605
    Abstract: Novel compounds, N,N′-bis(phosphonomethyl)-N,N′-bis(hydroxycarbonylmethyl)urea and N,N,N′,N′-tetrakis(hydroxycarbonylmethyl)urea, suitable for use in preparing N-acyl aminocarboxylic acids that can be readily converted to N-(phosphonomethyl)glycine are provided. The compounds may be formed by the reaction of bis-(phosophonomethyl)urea or urea respectively with carbon monoxide and formaldehyde in the presence of a carboxymethylation catalyst precursor and solvent.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: July 24, 2001
    Assignee: Monsanto Company
    Inventors: Todd J. Johnson, Michael K. Stern, David A. Morgenstern, Michael D. Rogers, Yvette M. Fobian, Jeffrey A. Levine
  • Patent number: 6232494
    Abstract: This invention is directed to an improved process for the preparation of N-(phosphonomethyl)glycine (i.e., “glyphosate”), a salt of N-(phosphonomethyl)glycine, or an ester of N-(phosphonomethyl)glycine. The process comprises combining an N-substituted N-(phosphonomethyl)glycine reactant with oxygen in the presence of a noble metal catalyst. The N-substituted N-(phosphonomethyl)glycine reactant has formula (V): wherein R1 and R2 are independently selected from the group consisting of hydrogen, halogen, —PO3R12R131, —SO3R14, —NO2, hydrocarbyl, and substituted hydrocarbyl other than —CO2R15; and R7, R8, R9, R12, R13, R14, and R15 are independently selected from the group consisting of hydrogen, hydrocarbyl, substituted hydrocarbyl, and an agronomically acceptable cation.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: May 15, 2001
    Assignee: Monsanto Company
    Inventors: David A. Morgenstern, David E. McKenzie, Robert Orth, David Oburn, Cindy Ludwig, Kam-to Wan, John M. Dzenitis
  • Patent number: 6153753
    Abstract: Process for the preparation of an N-acyl amino carboxylic acid by means of a carboxymethylation reaction. In this reaction, a reaction mixture is formed which contains a base pair, carbon monoxide, hydrogen and an aldehyde with the base pair comprising a carbamoyl compound and a carboxymethylation catalyst precursor. In a preferred embodiment, the carbamoyl compound and aldehyde are selected to yield an N-acyl amino carboxylic acid which is readily converted to N-(phosphonomethyl)glycine, or a salt or ester thereof.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: November 28, 2000
    Assignee: Monsanto Company
    Inventors: Todd J. Johnson, Michael K. Stern, David A. Morgenstern, Michael D. Rogers, Yvette M. Fobian, Jeffrey A. Levine
  • Patent number: 6005140
    Abstract: This invention is directed to process for making a composition having the formula (I): ##STR1## wherein R.sup.3, R.sup.4, and R.sup.5 are independently hydrogen, substituted or unsubstituted hydrocarbyl, or an agronomically acceptable cation. The process comprises contacting a solution with a noble metal catalyst and introducing oxygen into the solution. The solution contains an N-substituted glyphosate having the formula (II): ##STR2## wherein R.sup.1 and R.sup.2 are independently hydrogen, halogen, --PO.sub.3 H.sub.2, --SO.sub.3 H, --NO.sub.2, or substituted or unsubstituted hydrocarbyl other than --CO.sub.2 H. R.sup.3, R.sup.4, and R.sup.5 are as defined for formula (I).This invention also relates to an oxidation catalyst comprising a noble metal having a hydrophobic electroactive molecular species adsorbed thereon.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: December 21, 1999
    Assignee: Monsanto Company
    Inventors: David A. Morgenstern, Yvette M. Fobian